CN113582595A - Functionally graded concrete composite garbage pool and manufacturing method thereof - Google Patents
Functionally graded concrete composite garbage pool and manufacturing method thereof Download PDFInfo
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- CN113582595A CN113582595A CN202110924054.7A CN202110924054A CN113582595A CN 113582595 A CN113582595 A CN 113582595A CN 202110924054 A CN202110924054 A CN 202110924054A CN 113582595 A CN113582595 A CN 113582595A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B1/00—Dumping solid waste
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5076—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with masses bonded by inorganic cements
- C04B41/5079—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/60—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only artificial stone
- C04B41/61—Coating or impregnation
- C04B41/65—Coating or impregnation with inorganic materials
- C04B41/68—Silicic acid; Silicates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
- C04B2111/00508—Cement paints
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
Abstract
The invention discloses a functionally gradient concrete composite garbage pool in the technical field of garbage pools, which comprises a pool body consisting of a bottom plate and side plates arranged on the periphery of the bottom plate, wherein the pool body is of a composite layer structure and sequentially comprises a functionally gradient concrete waterproof layer, a functionally gradient concrete protective layer and a functionally gradient concrete structural layer from inside to outside, the functionally gradient concrete structural layer is formed by pouring commercially available impermeable concrete and a steel reinforcement framework, and the functionally gradient concrete protective layer is made of an ultrahigh-toughness cement-based composite material and comprises the following raw materials: cement, quartz sand, silica fume, fly ash, polyvinyl alcohol fiber, a polycarboxylic acid water reducing agent, superfine slag micro powder, organic silicon resin, nano calcium carbonate, calcium citrate and water. The cement-based material of the concrete impermeable layer has no coarse aggregate, has better impermeable performance, can effectively reduce the impermeable coefficient of the concrete side wall and the bottom plate, and has better impermeable performance compared with common concrete.
Description
Technical Field
The invention relates to the technical field of garbage pools, in particular to a functionally graded concrete composite garbage pool and a manufacturing method thereof.
Background
A large garbage incineration plant needs to be provided with a large garbage pool, leachate in the garbage pool is difficult to treat, the leachate contains high-concentration COD (chemical oxygen demand) and NH3-N and contains a large number of heavy metal substances, and once the leachate leaks into soil or underground water, serious environmental pollution can be caused.
The gradient concrete is a heterogeneous composite cement-based material with properties and functions continuously and stably changed by selecting two or more than two cement-based materials with different properties according to specific use requirements and adopting an advanced material compounding technology.
Based on the technical scheme, the invention designs the functionally graded concrete composite garbage pool and the manufacturing method thereof so as to solve the problems.
Disclosure of Invention
The invention aims to provide a functionally graded concrete composite garbage pool and a manufacturing method thereof, and aims to solve the problem that the conventional concrete garbage pool is easy to leak due to temperature cracks and sedimentation cracks under the influence of temperature and sedimentation because the conventional large garbage pool is large in size in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a compound rubbish pond of functional gradient concrete, includes the cell body that comprises bottom plate and locate bottom plate curb plate all around, the cell body is composite bed structure and its from interior to exterior includes functional gradient concrete waterproof layer, functional gradient concrete inoxidizing coating, functional gradient concrete structure layer in proper order, functional gradient concrete structure layer is pour by commercially available prevention of seepage concrete and steel reinforcement skeleton and forms, functional gradient concrete inoxidizing coating adopts ultra high tenacity cement base combined material, includes following raw materials:
cement, quartz sand, silica fume, fly ash, polyvinyl alcohol fiber, a polycarboxylic acid water reducing agent, superfine slag micro powder, organic silicon resin, nano calcium carbonate, calcium citrate and water.
Preferably, a plurality of transverse and longitudinal textures are stamped on the interface of the functional gradient concrete structure layer and the functional gradient concrete protective layer.
Preferably, a bonding interface is formed on one surface, facing the functionally graded concrete protective layer, of the functionally graded concrete structural layer through stamping treatment, and the bonding interface is embedded into the functionally graded concrete structural layer.
Preferably, the pool body is formed by pouring a bottom plate and a side plate.
Preferably, the functionally graded concrete waterproof layer is a waterproof coating layer smeared on the surface of the functionally graded concrete protective layer.
The manufacturing method of the functionally graded concrete composite garbage pool comprises the following steps:
step 1: according to design requirements, a first template of the bottom plate is arranged, and a functionally graded concrete structure layer is poured;
step 2: before the functional gradient concrete structure layer of the bottom plate is initially set, a stamping plate is arranged to manufacture a bonding interface between the functional gradient concrete structure layer and the functional gradient concrete protective layer, the stamping plate is manufactured by a wooden template, transverse ribs and longitudinal ribs are arranged on the stamping plate and used for manufacturing textures on the surface of the bonding interface, and a concrete release agent is coated on the stamping plate before the stamping plate is used;
and step 3: removing the stamping plate, and pouring a functional gradient concrete protective layer on the functional gradient concrete structure layer of the bottom plate;
and 4, step 4: covering a concrete water-saving moisturizing curing film on the surface of the functionally graded concrete protective layer for curing;
and 5: laying a second template according to the design requirement, wherein the second template is a template of a functionally graded concrete structure layer of a side plate, the second template comprises transverse ribs and longitudinal ribs, the manufacturing method is the same as that of the stamping plate, and the functionally graded concrete structure layer of the side plate is poured;
step 6: removing the second template on the side plate, arranging third templates in a layered mode, wherein the third templates are templates of the functionally gradient concrete protective layer of the bottom plate, and pouring and vibrating the functionally gradient concrete protective layer in a layered mode;
and 7: and removing the third template, and smearing waterproof paint on the surface of the functionally graded concrete protective layer to form the functionally graded concrete waterproof layer.
Compared with the prior art, the invention has the beneficial effects that:
1. the garbage pool is formed by pouring functionally graded concrete, and the cement-based material of the concrete impermeable layer has no coarse aggregate, so that the garbage pool has better impermeable performance, can effectively reduce the impermeable coefficients of the concrete side wall and the concrete bottom plate, and has better impermeable performance compared with common concrete;
2. the garbage pool has good toughness performance and strong crack resistance by adopting functionally graded concrete, and can protect the structure at the crack from working normally after the structural layer cracks;
3. the invention provides a construction method of the garbage pool, and the bonding surface connection of the structural layer and the protective layer is improved by adopting an embossing mode, so that the interface bonding strength of functionally graded concrete is improved;
4. according to the invention, the structure of the tank body is reinforced by utilizing the functionally graded concrete protective layer, and compared with the structure with the optimized and reinforced full section, the cost is effectively saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the general assembly structure of a functionally graded concrete composite garbage pool according to the present invention;
FIG. 2 is a schematic diagram of a functionally graded concrete structure layer according to the present invention before imprinting construction;
FIG. 3 is a schematic diagram of a functionally graded concrete structure layer after imprinting construction according to the present invention;
FIG. 4 is a schematic structural view of a base plate according to the present invention;
FIG. 5 is a schematic diagram of a functionally graded concrete structure layer before pouring construction according to the present invention;
FIG. 6 is a schematic view of the transverse ribs and longitudinal ribs of the functionally graded concrete structural layer of the present invention;
FIG. 7 is a schematic diagram of the functionally graded concrete structure layer after pouring construction.
In the drawings, the components represented by the respective reference numerals are listed below:
1-bottom plate, 2-side plate, 3-functionally graded concrete waterproof layer, 4-functionally graded concrete protective layer, 5-functionally graded concrete structure layer, 6-bonding interface, 7-impression plate, 8-transverse rib, 9-longitudinal rib, 10-water-saving moisture-preserving curing film, 11-second template, and 12-third template.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a compound rubbish pond of functional gradient concrete, includes the cell body that comprises bottom plate 1 and locate bottom plate 1 curb plate 2 all around, the cell body is pour by bottom plate 1 and curb plate 2 and forms for the overall structure rigidity of cell body is great, the cell body is composite bed structure and from interior to exterior and includes functional gradient concrete waterproof layer 3, functional gradient concrete inoxidizing coating 4, functional gradient concrete structure layer 5 in proper order, functional gradient concrete structure layer 5 is pour by commercially available prevention of seepage concrete and framework of steel reinforcement and forms, functional gradient concrete inoxidizing coating 4 adopts super high tenacity cement-based combined material, includes following raw materials:
cement, quartz sand, silica fume, fly ash, polyvinyl alcohol fiber, a polycarboxylic acid water reducing agent, superfine slag micro powder, organic silicon resin, nano calcium carbonate, calcium citrate and water.
The interface of the functional gradient concrete structure layer 5 and the functional gradient concrete protective layer 4 is stamped with a plurality of transverse and longitudinal textures, so that the structural stability of the interface of the functional gradient concrete structure layer 5 and the functional gradient concrete protective layer 4 is improved.
The surface, facing the functional gradient concrete protective layer 4, of the functional gradient concrete structural layer 5 is provided with a bonding interface 6 through embossing treatment, the bonding interface 6 is embedded into the functional gradient concrete structural layer 5, and the bonding strength between the functional gradient concrete structural layer 5 and the functional gradient concrete protective layer 4 is improved through the bonding interface 6.
The functionally graded concrete waterproof layer 3 is a waterproof coating layer coated on the surface of the functionally graded concrete protective layer 4, and the waterproof coating can be a commercially available waterproof coating.
The embodiment also discloses a manufacturing method of the functionally graded concrete composite garbage pool, which comprises the following steps:
step 1: according to design requirements, a first template of the bottom plate 1 is arranged, and a functionally graded concrete structure layer 5 is poured;
step 2: before the functional gradient concrete structure layer 5 of the bottom plate 1 is initially set, a stamping plate 7 is arranged to manufacture a bonding interface 6 between the functional gradient concrete structure layer 5 and the functional gradient concrete protective layer 4, the stamping plate 7 is manufactured by a wooden template, transverse ribs 8 and longitudinal ribs 9 are arranged on the stamping plate and used for manufacturing textures on the surface of the bonding interface 6, and a concrete release agent is coated on the stamping plate 7 before use;
and step 3: removing the stamping plate 7, and pouring a functional gradient concrete protective layer 4 on the functional gradient concrete structural layer 5 of the bottom plate 1;
and 4, step 4: covering a concrete water-saving and moisture-preserving curing film 10 on the surface of the functionally graded concrete protective layer 4 for curing;
and 5: according to design requirements, a second template 11 is arranged, the second template 11 is a template of the functionally graded concrete structure layer 5 of the side plate 2, the second template 11 comprises transverse ribs 8 and longitudinal ribs 9, the manufacturing method is the same as that of the stamping plate 7, and the functionally graded concrete structure layer 5 of the side plate 2 is poured;
step 6: removing the second templates 11 on the side plates 2, arranging third templates 12 in a layered manner, wherein the third templates 12 are templates of the functionally gradient concrete protective layers 4 of the bottom plate 1, and pouring and vibrating the functionally gradient concrete protective layers 4 in a layered manner;
and 7: removing the third template 12, and smearing a waterproof coating on the surface of the functionally graded concrete protective layer 4 to form the functionally graded concrete waterproof layer 3, wherein the waterproof coating comprises the following raw materials: portland cement, sodium carbonate and calcium chloride active materials, citric acid, a regulator, quartz silica sand and fluorosilicic acid.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a compound rubbish pond of functional gradient concrete, includes by bottom plate (1) and locate bottom plate (1) cell body that curb plate (2) all around constitute, its characterized in that, the cell body is composite bed structure and its from interior to outer including functional gradient concrete waterproof layer (3), functional gradient concrete inoxidizing coating (4), functional gradient concrete structure layer (5) in proper order, functional gradient concrete structure layer (5) are pour by commercially available impervious concrete and steel reinforcement framework and are formed, functional gradient concrete inoxidizing coating (4) adopt super high tenacity cement-based combined material, include following raw materials:
cement, quartz sand, silica fume, fly ash, polyvinyl alcohol fiber, a polycarboxylic acid water reducing agent, superfine slag micro powder, organic silicon resin, nano calcium carbonate, calcium citrate and water.
2. The functionally graded concrete composite garbage pool as claimed in claim 1, wherein a plurality of transverse and longitudinal textures are impressed on the interface of the functionally graded concrete structure layer (5) and the functionally graded concrete protective layer (4).
3. The functionally graded concrete composite garbage pool according to claim 1, wherein a bonding interface (6) is formed on one side of the functionally graded concrete structure layer (5) facing the functionally graded concrete protective layer (4) through embossing, and the bonding interface (6) is embedded in the functionally graded concrete structure layer (5).
4. The functionally graded concrete composite trash basin of claim 1, characterized in that the basin body is formed by pouring bottom plates (1) and side plates (2).
5. The functionally graded concrete composite garbage pool as claimed in claim 1, wherein the functionally graded concrete waterproof layer (3) is a waterproof paint layer coated on the surface of the functionally graded concrete protective layer (4).
6. A manufacturing method of a functionally graded concrete composite garbage pool is characterized by comprising the following steps:
step 1: according to design requirements, a first template of the bottom plate (1) is arranged, and a functionally graded concrete structure layer (5) is poured;
step 2: before the functional gradient concrete structure layer (5) of the bottom plate (1) is initially set, a stamping plate (7) is arranged, a bonding interface (6) between the functional gradient concrete structure layer (5) and the functional gradient concrete protective layer (4) is manufactured, the stamping plate (7) is manufactured by a wooden template, transverse ribs (8) and longitudinal ribs (9) are arranged on the stamping plate and used for manufacturing textures on the surface of the bonding interface (6), and a concrete release agent is coated on the stamping plate (7) before the stamping plate is used;
and step 3: removing the stamping plate (7), and pouring a functional gradient concrete protective layer (4) on the functional gradient concrete structural layer (5) of the bottom plate (1);
and 4, step 4: covering a concrete water-saving moisture-preserving curing film (10) on the surface of the functionally graded concrete protective layer (4) for curing;
and 5: according to design requirements, a second template (11) is arranged, the second template (11) is a template of a functional gradient concrete structure layer (5) of a side plate (2), the second template (11) comprises transverse ribs (8) and longitudinal ribs (9), the manufacturing mode is the same as that of the stamping plate (7), and the functional gradient concrete structure layer (5) of the side plate (2) is poured;
step 6: removing the second template (11) on the side plate (2), arranging a third template (12) in a layered mode, wherein the third template (12) is a template of the functionally gradient concrete protective layer (4) of the bottom plate (1), and pouring and vibrating the functionally gradient concrete protective layer (4) in a layered mode;
and 7: and removing the third template (12), and smearing waterproof paint on the surface of the functionally graded concrete protective layer (4) to form the functionally graded concrete waterproof layer (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110924054.7A CN113582595A (en) | 2021-08-12 | 2021-08-12 | Functionally graded concrete composite garbage pool and manufacturing method thereof |
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| CN202110924054.7A CN113582595A (en) | 2021-08-12 | 2021-08-12 | Functionally graded concrete composite garbage pool and manufacturing method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888394A (en) * | 2006-07-18 | 2007-01-03 | 武汉理工大学 | Functional gradient material interface enhancing technology for shield driven tunnel concrete pipe sheet |
| CN103306439A (en) * | 2013-06-14 | 2013-09-18 | 浙江建设职业技术学院 | Pouring technology for implanting high anti-leakage and anti-crack protective layer into roof structure layer |
| CN104947809A (en) * | 2015-06-29 | 2015-09-30 | 广西金雨伞防水装饰有限公司 | Full-seal waterproof system of concrete construction project |
| EP3388598A1 (en) * | 2017-04-10 | 2018-10-17 | Gianluca Casadio | Method for providing a cast in situ swimming pool |
| CN211421369U (en) * | 2019-12-09 | 2020-09-04 | 苏州佳固士新材料科技有限公司 | A anticorrosive structure system for sewage treatment pond |
| CN112727219A (en) * | 2020-12-25 | 2021-04-30 | 北京东方雨虹防水技术股份有限公司 | Corrosion-resistant and waterproof protection structure and method for system of concrete structure container type structure and application |
-
2021
- 2021-08-12 CN CN202110924054.7A patent/CN113582595A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888394A (en) * | 2006-07-18 | 2007-01-03 | 武汉理工大学 | Functional gradient material interface enhancing technology for shield driven tunnel concrete pipe sheet |
| CN103306439A (en) * | 2013-06-14 | 2013-09-18 | 浙江建设职业技术学院 | Pouring technology for implanting high anti-leakage and anti-crack protective layer into roof structure layer |
| CN104947809A (en) * | 2015-06-29 | 2015-09-30 | 广西金雨伞防水装饰有限公司 | Full-seal waterproof system of concrete construction project |
| EP3388598A1 (en) * | 2017-04-10 | 2018-10-17 | Gianluca Casadio | Method for providing a cast in situ swimming pool |
| CN211421369U (en) * | 2019-12-09 | 2020-09-04 | 苏州佳固士新材料科技有限公司 | A anticorrosive structure system for sewage treatment pond |
| CN112727219A (en) * | 2020-12-25 | 2021-04-30 | 北京东方雨虹防水技术股份有限公司 | Corrosion-resistant and waterproof protection structure and method for system of concrete structure container type structure and application |
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Address after: No. 193, Tunxi Road, Hefei City, Anhui Province Applicant after: Hefei University of Technology Applicant after: China Energy Construction Group Co.,Ltd. Applicant after: Guangzhou environmental investment Conghua environmental protection energy Co.,Ltd. Address before: No. 193, Tunxi Road, Hefei City, Anhui Province Applicant before: Hefei University of Technology Applicant before: China Energy Engineering Group Anhui No.1 Electric Power Construction Co.,Ltd. Applicant before: Guangzhou environmental investment Conghua environmental protection energy Co.,Ltd. |
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Application publication date: 20211102 |
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